Holcodiscidae
Holcodiscidae Temporal range:
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Spitidiscus species from Alpes-de-Haute-Provence | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ammonitida |
Superfamily: | †Desmoceratoidea |
Family: | †Holcodiscidae Spath, 1923 |
Synonyms | |
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Holcodiscidae is an ammonite family placed in the Ammonite superfamily Desmoceratoidea.[1][2]
Description[]
Moderately involute with rounded, rectangular, or depressed whorl section; straight or sinuous, fine, dense ribs typically continuing over venter and may be periodically truncated by oblique, enlarged ribs, with or without umbilical, lateral and ventrolateral tubercles. Suture rather simple.[2][3]
Genera[]
Distribution[]
Fossils of species within this family have been found in the Cretaceous sediments in Argentina, Austria, Bulgaria, Chile, Colombia, the Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Portugal, Romania, Slovakia, Spain and Russia.[1][2]
References[]
- ^ a b "Holcodiscidae". Paleobiology Database. Retrieved 30 December 2021.
- ^ a b c Wright, C. W. with J.H. Callomon and M.K. Howarth (1996), Mollusca 4 Revised, Cretaceous Ammonoidea, vol. 4, in Treatise on Invertebrate Paleontology, Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, p.48.
- ^ Tzankov, V. & Breskovski, S. (1982), "Volume et contenu de la famille Holcodiscidae Spath, 1924," C.R. Acad. bulg. Sci., 35, 4, 491-93.
External links[]
- "Holcodiscidae". mindat.org. Retrieved 30 December 2021.
- "Holcodiscidae". Encyclopedia of Life (EOL). Retrieved 30 December 2021.
- Arkell, W. J. et al., (1957). Mesozoic Ammonoidea in Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geological Society of America and Univ Kansas Press.
Categories:
- Cretaceous ammonites
- Early Cretaceous first appearances
- Santonian extinctions
- Ammonitida families
- Desmoceratoidea
- Ammonitina stubs